package com.thinkbiganalytics.kylo.reactive;

/*-
 * #%L
 * Spark Shell Service Controllers
 * %%
 * Copyright (C) 2017 - 2018 ThinkBig Analytics, a Teradata Company
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

import javax.annotation.Nonnull;
import javax.ws.rs.container.AsyncResponse;

/**
 * Receives a push notification of a single value or error and an {@link AsyncResponse}.
 *
 * @param <T> type of element signaled
 */
public interface AsyncResponseSubscriber<T> {

    /**
     * Notifies of an error condition.
     */
    void onError(@Nonnull Throwable t, @Nonnull AsyncResponse response);

    /**
     * Notifies of a single value when complete.
     */
    void onSuccess(@Nonnull T t, @Nonnull AsyncResponse response);
}
